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2019-01-28 11:44:23 +01:00
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# Created by https://www.gitignore.io/api/osx,java,linux,maven,eclipse,intellij
# Edit at https://www.gitignore.io/?templates=osx,java,linux,maven,eclipse,intellij
### Eclipse ###
.metadata
bin/
tmp/
*.tmp
*.bak
*.swp
*~.nib
local.properties
.settings/
.loadpath
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# External tool builders
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# Squelette du TP
## Utilisation
Pour utiliser ce tp vous devez :
1. le forker via le lien fork ci-dessus.
2. Votre repository doit être **privé**. Vous devez le partager avec votre encadrant de TP.
3. vous obtiendrez un nouveau lien : par exemple git@gitlab.istic.univ-rennes1.fr:monpseudo/....
4. Dans le **workspace d'eclipse** faites `git clone git@gitlab.istic.univ-rennes1.fr:monpseudo/...` avec l'url précédente.
5. Ouvrez le workspace dans eclipse.
6. Utilisez Import> "Existing Maven Projects".
7. Selectionnez le projet et validez.
Vous devriez avoir une version du projet dans votre propre compte gitlab.
Vous pouvez le partager avec votre binome et l'encadrant de TP.
## Rapport
Votre rapport doit être écrit ici en markdown.
Vous trouverez la syntaxe de markdown ici : https://docs.gitlab.com/ee/user/markdown.html
Placez vos images dans le répertoire images si nécessaire.
## Faire des diagrammes
En particulier vous pouvez utiliser [mermaid](https://mermaidjs.github.io/) :
```mermaid
sequenceDiagram
participant Alice
participant Bob
Alice->John: Hello John, how are you?
loop Healthcheck
John->John: Fight against hypochondria
end
Note right of John: Rational thoughts <br/>prevail...
John-->Alice: Great!
John->Bob: How about you?
Bob-->John: Jolly good!
```
## Insérer du code
Insérer du `code` :
```java
public interface ClientHandler {
public void handle();
}
```
et des résultats :
```bash
[yo@capybara dkgr]$ nc google.fr 80
PWET /
HTTP/1.0 400 Bad Request
Content-Type: text/html; charset=UTF-8
Referrer-Policy: no-referrer
Content-Length: 1555
Date: Mon, 21 Jan 2019 12:18:02 GMT
<!DOCTYPE html>
<html lang=en>
<meta charset=utf-8>
```

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>fr.istic.pr</groupId>
<artifactId>pr.tp2.udp</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.6.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>

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package pr.tp2.udp.discovery;
public class Discovery {
public static void handleWhois(String id) {
// Envoie un message Whois
}
public static void handleLeaving(String id) {
// Envoie un message Leaving
}
public static void handleIAM(String id, String url) {
// Envoie un message IAM
}
public static void handleListen() {
// Ecoute et affiche les évennements IAM,LEAVING
// Réponds aux WHOIS si ID = ID
// URL du service :
String ID = "051005022";
String URL = "https://istic.univ-rennes1.fr/";
}
public static void main(String[] args) {
String cmd = args[0], url = null, id = null;
if (args.length > 1) {
id = args[1];
}
if (args.length == 3) {
url = args[2];
}
switch (cmd) {
case "listen":
handleListen();
break;
case "iam":
handleIAM(id, url);
break;
case "leaving":
handleLeaving(id);
break;
case "whois":
handleWhois(id);
break;
default:
System.out.println("Erreur de commande");
break;
}
}
}

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package pr.tp2.udp.discovery;
public class TestDiscovery {
public static void main(String[] args) throws InterruptedException {
Runnable listener = () -> {
Discovery.handleListen();
};
new Thread(listener).start();
Discovery.handleWhois("051005022");
Discovery.handleIAM("tftp", "127.0.0.1:6969");
Thread.sleep(10000);
}
}

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package pr.tp2.udp.tftp;
import java.net.DatagramPacket;
public class TftpDecode {
public static void main(String[] args) {
// Attends sur le port 6969
// Boucle
// Reception du packet
DatagramPacket p = null;
// Affichage du packet
// Attention à ne pas afficher plus d'informations que nécessaire.
// Décodage du packet
decodeRequest(p);
}
public static void affiche(byte[] bytes) {
for (int i = 0; i < bytes.length; i++) {
if (i % 16 == 0) {
System.out.println("\n");
}
System.out.printf("%02x ", bytes[i]);
}
}
public static void decodeRequest(DatagramPacket p) {
System.out.printf("Type : %s, fichier : %s, mode %s", "RRQ", "test.txt", "ascii");
}
}

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src/main/java/pr/tp2/udp/tftp/TftpPutServeur.java Normal file
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package pr.tp2.udp.tftp;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.SocketAddress;
public class TftpPutServeur {
public static void main(String[] args) {
// Attends sur le port 6969
// Boucle
// Reception du packet
DatagramPacket p = null;
// Affichage du packet
// Attention à ne pas afficher plus d'informations que nécessaire.
// Décodage du packet
decodeRequest(p);
// Envoyer acquittement
// sendAck(server, /***/);
}
public static void sendAck(DatagramSocket server, short seqNumber, SocketAddress dstAddr) throws IOException {
System.out.println("Send " + seqNumber + " to " + dstAddr);
// Construire le paquet avec les bonnes informations
// afficher le tableau de bytes envoyé
// Envoyer le paquet à la bonnes addresses
}
public static void affiche(byte[] bytes) {
for (int i = 0; i < bytes.length; i++) {
if (i % 16 == 0) {
System.out.println("\n");
}
System.out.printf("%02x ", bytes[i]);
}
}
public static void decodeRequest(DatagramPacket p) {
System.out.printf("Type : %s, fichier : %s, mode %s", "RRQ", "test.txt", "ascii");
}
}